Megaphone



FIG. 1 is a front perspective view of a megaphone showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a first side view thereof;

FIG. 6 is a second side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines shown in the drawings illustrate portions of a megaphone that form no part of the claimed design. 

CLAIM We claim the ornamental design for a megaphone, as shown and described. 